Climate Variability Impact on the Water Resources of Ancient Andean Civilizations
The great ancient empires of South America used corporate irrigated agriculture with centralized control to help hold far-flung domains together. The Inca empire, larger in area than that...
Design and Implementation of On-Farm Surface Drainage Projects in the Humid Tropics of Mexico
In the humid tropics of southeastern Mexico, the Mexican National Water Commission (CNA) has constructed a network of collector drains for stormwater runoff removal. At the same time the...
Current Status of the Demonstration Management Improvement Program
Coordinated resource management programs have been developed and implemented in the Maricopa-Stanfleld Irrigation and Drainage District (MSIDD) area as a result of the Management Improvement...
The Management Improvement Program: An Irrigation District's Perspective of the Demonstration Program
In November 1990, the Maricopa-Stanfield Irrigation and Drainage District agreed to participate in the first application of the Management Improvement Program (MIP) for irrigated agriculture....
Regional Economic Impacts of a Land Fallowing Program?The Palo Verde Test Land Fallowing Program Case Study
The Metropolitan Water District of Southern California (MWD) and the Palo Verde Irrigation District (PVID) implemented a two-year test land fallowing program (Program) from August 1, 1992...
Development of a Geographical Information System for On Farm Management
This paper presents the development of a Geographic Information System (GIS) for on farm management of a 70,000 acre agricultural operation in northwest New Mexico. The GIS was developed...
Wetland Loss Rates and Agricultural Drainage
The current paper uses National Resources Inventory data to document the relation between private on-farm agricultural drainage investment activity and wetlands loss. The paper presents...
A model to describe the fate of agricultural pollutants
The distributed parameter hydrological model CEQUEAU is coupled to nitrogen and pesticide sub-models to study agricultural non-point pollution at the watershed level. This developing tool...
Interfacing GIS and Water Quality Models for Agricultural Areas
Agricultural activities significantly impact water quality, including increases in stream sediment, nutrients, pesticides, and salt concentrations from runoff. South Florida is unique...
A Guide for Controlling Agricultural Nonpoint Source Sediment Loads: Where to Treat?
The authors present a simplified guide to decide where to expend money and efforts to reduce sediment loads that cause water quality problems. This guide is intended for resource managers...
Dealing with TMDLs in the Dairy-McKay HUA
The maximum phosphorus concentration for the TMDL in the Tualatin River is set by Oregon Administrative Rules (OAR) at 0.07 mg/1, Dairy-McKay Creek is 0.045 mg/1 Identification of potential...
Nursery Culture of Scallop Seed in a Recreational Marina
This paper describes nursery culture seed in a recreational marina....
Upper Watershed Management and Sedimentation in Mugu Lagoon, Ventura County, California
Mugu Lagoon is one of the last remaining, natural salt marsh systems in southern California. In the last 90 years, sedimentation in the lagoon has increased from a geologic rate of 0.17...
Nutrients in the Gulf of Mexico
Excess nutrients in the Gulf of Mexico are related to at least three important environmental problems: episodic oxygen depletion, sea grass decline, and shifts in composition of biological...
Balancing the Benefits, Weighing the Consequences: The Ventura River and the California Coastal Act
Four years after its construction on the Ventura River delta, the Ventura River inundated the Ventura Beach Rv Resort. The facility had been permitted under the City of San Buenaventura's...
Aquaculture in the Northwest Coastal Zone of Mexico
In this paper we presented a general vision of aquaculture development perspective, at a national and regional level; the present national policies on aquaculture, what they are what pretend...
Suitability Assessment for Coastal Development Projects in Mexico
Mexican legislation mandates to consider suitability assessments for the execution of regional development projects. Also, Mexican law orders public participation when assessing suitability...
Utilization of the Coastal Areas for Aquaculture in Nigeria
The current domestic fish production in Nigeria is estimated to be 363,706 tonnes whereas the projected demand is 1,237,000 tonnes. This leaves a deficit in demand of 874,294 tonnes which...
Evolution and Dynamics of the Chilka Lake
The Chilka Lake, the largest coastal lagoon in Asia, has occupied a possible tectonic depression along the east coast of India. Although the open sea coast was along the western margin...
Nonpoint Source Pollution Model for Agricultural and Rural Watersheds
A dynamic hydrologic and nonpoint source pollution simulation model for agricultural and rural watersheds; capable of simulating rainfall-runoff, soil erosion, sediment transport, mixing...
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